public static SFVec2D xy(double x, double y)
{
var v = new SFVec2D
{
X = x,
Y = y
};
return v;
}
private void draw_circle(SFVec2D point, Color? fill = null, Color? line = null)
{
Graphics g;
Pen p;
Brush b;
float w = (float)node_diameter, h = (float)node_diameter;
int X = (int)(point.X - w/2);
int Y = (int)(point.Y - h/2);
g=this.GetContext();
if (line.HasValue)
{
p = new Pen(line.Value, 3);
}
else
{
p = new Pen(NodeLineColor, 3);
}
if (fill.HasValue)
{
b = new SolidBrush(fill.Value);
}
else
{
b = new SolidBrush(NodeFillColor);
}
g.DrawEllipse(p, X, Y, w, h);
g.FillEllipse(b, X, Y, w, h);
}
public TNode()
{
Visible=true;
Children=new List<TNode>();
Point = SFVec2D.Zero;
}
